I have copy of her certified death certificate. Provided by Greg Mitchell.

Part of obituary for William Scammell Schuyler:
When his first wife died in 1970, Bill married Jean Wilding Mitchell of Palo Alto. Jean had four children by her first marriage: Polly Henderson (Paul) of Leicester, England; Robin Mitchell of Cloverdale, Calif.; Gregory (Pati) Mitchell of Fayetteville, Ariz.; and Page (Michael) McNall, of Herndon, Va. Jean Schuyler died in 2001.http://www.almanacnews.com/obituaries/memorials/william-scammell-schuyler?o=3696
27 Jan 2014